Question about Sub-Zero 650 / O Bottom Freezer Refrigerator

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Refrigerator is hot but the freezer is cold

This is a brand new refrigerator only had it for 3 months and the bottom is completely hot not getting cold at all but the freezer is really cold even forming ice. What can be the problem be?

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  • Sub-Zero Master
  • 17,129 Answers

If there is no cooling at all on the fridge section but the freezer works then it is confirmed that the compressor and gas pressure is OK. Now shut off the fridge and leave it powered off while you clean and check the evaporator for frost. If frost is seen it is a good indication as the compressor is working with sufficient gas within.
Now after about 6 hours plug in the fridge to start. Observe cooling to happen in about one hour and ice to from under three hours.
Earlier make sure that the thermostat was set to normal mode for freezer and fridge.
However if ice forms in the freezer then observe the fridge for about 24 hours for cooling to continue and the fridge to cut off . If not the auto defrost timer, or the thermostat must be checked. Frost formation without defrosting could block the air flow and so shut the air passage to the fridge. Also the blower fan must work and if this is not working then the fan can be faulty. Also a fault on the control unit is a suspect to non functioning of any one of these components.
If defrost timer works but frost keeps forming check while the compressor shuts if the heaters are working, check continuity of the heaters.
So try this test using a multi-meter on the defrost timer and the thermostat and make your observations so that we come to the solution.

Please check the link below for tips to remove the panels/parts: http://www.espares.co.uk/advice/fridges-and-freezers/a/2

Posted on Jan 12, 2013

6 Suggested Answers

6ya6ya
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Hi,
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Posted on Jan 02, 2017

Rotu
  • 175 Answers

SOURCE: refrigerator not cooling top shelf

it sounds as though you have a fridge that is low on freon. If the ice is appearing mostly to the left, then thats surely your problem. if it goes all the way across, you may have a bad evaporater fan motor, fan motor switch, bad cold control, or just a door that isn't closing or sealing properly. If its the ice mostly to the left side, it probably means your evaporater is leaking the freon. I am assuming you have a model that has a cold control on the back wall, not the electronic display by your description. If your unit is less than 12 years old by the installation date, the part will still be under warranty (sub zero has an unmatched 12 year sealed system parts warranty) but the labor and freon will not be. The repalcement of that evaporater in my area usually runs about $450 with labor, freon and trip all together. It is a repair you cannot do unless you have an acetlyn torch and some silver-soldering/ brazing ability. If your model is in fact the newer style with the electronic temp display, call sub zero up (the # is on the model/serial tag in the door jamb) and tell them wahts going on. If it is in fact an evaporater leaking on this style, they will most likely pay the bill for you even if its well out of the 5 year full warranty. If you want to know for sure, remove all the shelves, then remove the cover over the lights. Then if its electronic remove the 3 screws holding the top of the back panel and tilt the panel out to you and pull it up and out: if its a dial type, remove the 2 screws holding the fan cover and then tilt the back wall out to you and lift it up and outwards, but not too far as it wil pull the wires of that control knob (cold Control) Look at the coils back there and see if the coils are frosty. If they are only frosty on the upper left of the coil, its low on freon and needs an evaporater. if its frosty all the way across, top to bottom, you need a cold control, or possibly a fan or fan switch. Hopefuly you can wade through all this. Just post back if you have any questions. Good Luck!

Posted on Aug 16, 2007

Krazytech
  • 725 Answers

SOURCE: Ice is forming inside the refrigerator

You have a freon leak in you evapator. Call an authorized Sub Zero service company it will be coverd by you sealed system warranty..

Posted on Oct 12, 2008

  • 8 Answers

SOURCE: refrigerator not getting cold

Chech blower fan POSSILE Burned UP clean coils see if fan works, or check compressor in supper HOOOT, possible burned.
Smell , does it smell like like burming tar or burned food.

Posted on Dec 11, 2008

  • 1 Answer

SOURCE: bottom freezer on Subzero refrigerator not thoroughly freezing

the aspiring air in the freezer botton don't work... sorry for english, i am french...t k

Posted on Jun 21, 2009

heatman101
  • 43501 Answers

SOURCE: Sub zero 611 refrigerator error code 40, freezer

Hi,

As the weather is getting warmer for many people their freezer2_bing.gif and/or refrigerator do not work right because of a dirty condenser coil...

Check out this tip that I wrote about that... it is a great place to start trouble shooting your unit...and something that you can do rather then calling a repair person to do a simple thing for you...

http://www.fixya.com/support/r4024657-refrigerator_condenser_coil_cleaning


http://www.fixya.com/support/r3885294-refrigerator_troubleshooting

http://www.fixya.com/support/r4023749-refrigerator_compressor_start_capacitor

heatman101

Posted on May 27, 2010

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